/*
 * Copyright (c) 2022-2023 Termony Co., Ltd. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 *    conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
 *    of conditions and the following disclaimer in the documentation and/or other materials
 *    provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
 *    to endorse or promote products derived from this software without specific prior written
 *    permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _LOS_ARCH_ASSEMBLER_H
#define _LOS_ARCH_ASSEMBLER_H

#if defined(__ASSEMBLY__) || defined(ASSEMBLY)

/******************************************************************************/
/* arm architecture assembly special code                                     */
/******************************************************************************/
#define EXPORT_LABEL(label)     .global label
#define IMPORT_LABEL(label)     .extern label

#define FUNC_LABEL(func)        func:
#define LINE_LABEL(line)        line:

#define FUNC_DEF(func)          \
        .code   32;             \
        .balign 8;              \
        .type func, %function;  \
func:

#define FUNC_END()              \
        .ltorg

#define MACRO_DEF(mfunc...)     \
        .macro  mfunc

#define MACRO_END()             \
        .endm

#define FILE_BEGIN()            \
        .text;                  \
        .balign 8;

#define FILE_END()              \
        .end

#define SECTION(sec)            \
        .section sec

#define WEAK(sym)               \
        .weak sym

/******************************************************************************/
/* memory barrier                                                             */
/******************************************************************************/
#define ARM_ISB()               ISB
#define ARM_DSB()               DSB
#define ARM_DMB()               DMB

/******************************************************************************/
/* CPSR & SPSR bit                                                            */
/******************************************************************************/
#define USR32_MODE              0x10
#define FIQ32_MODE              0x11
#define IRQ32_MODE              0x12
#define SVC32_MODE              0x13
#define ABT32_MODE              0x17
#define UND32_MODE              0x1B
#define SYS32_MODE              0x1F
#define DIS_FIQ                 0x40
#define DIS_IRQ                 0x80
#define DIS_INT                 (DIS_FIQ | DIS_IRQ)

#endif /* __ASSEMBLY__ || ASSEMBLY */
#endif /* _LOS_ARCH_ASSEMBLER_H */
